Most likely this is because of corrupted replication diff files. We had a lot
of these problems lately. Taginfo uses replication diffs to keep the planet
up-to-date. If they are broken, taginfo will get the wrong data. I'll reset
it from a current planet at some point.

Jochen

On Sat, Jun 04, 2016 at 12:52:26PM +0100, Malcolm Herring wrote:
> Date: Sat, 4 Jun 2016 12:52:26 +0100
> From: Malcolm Herring <malcolm.herr...@btinternet.com>
> To: joc...@remote.org, taginfo-dev@openstreetmap.org
> Subject: Fwd: [overpass] Keys reported in TagInfo not found in Overpass
> 
> 
> > Begin forwarded message:
> > 
> > From: Roland Olbricht <roland.olbri...@gmx.de>
> > Subject: Re: [overpass] Keys reported in TagInfo not found in Overpass
> > Date: 4 June 2016 at 11:04:45 BST
> > To: overp...@listes.openstreetmap.fr
> > Reply-To: overp...@listes.openstreetmap.fr
> > 
> >> There are a number of keys that TagInfo reports which I cannot find in my 
> >> local instance or any of the public instances of Overpass. Two keys in 
> >> particular report over 100 instances each: “seamark:light_major:height” & 
> >> “seamark:light_minor:height”
> >> 
> >> What might the problem be?
> > 
> > I have let the computer to search both the planet file and the diffs for 
> > all occurences of the string "seamark:light_major:height". This gives a 
> > list of 309 nodes from the planet. Checking some random choice of these 
> > nodes on osm.org always results in that the tag had been deleted a year or 
> > so ago.
> > 
> > Example:
> > http://www.openstreetmap.org/node/60975271/history
> > 
> > The text search in the diff files is not yet complete. But given the 
> > findings so far, it is most likely that it is a bug in Taginfo.
> > 
> > I've attached the list of the invoked 309 nodes according to the first OdBL 
> > planet osm file. Running with the data shows the tag in question, running 
> > without date shows that no node has the tag anymore.
> > 
> > Best regards,
> > 
> > Roland
> > 
> 

-- 
Jochen Topf  joc...@remote.org  http://www.jochentopf.com/  +49-351-31778688

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